1) Healthy, bacteriological neutral, conforming to drinking water standards
2) Resistant to high temperatures, good impact strength
3) Convenient and reliable installation, low construction expenses
4) Excellent heat-insulation property from minimum thermal conductivity
5) Lightweight, convenient to transport and handle, good for labor-saving
6) Smooth inner walls reduce pressure loss and increase flow speed
7) Sound insulation (reduced by 40% compared to galvanized steel pipes)
8) Light colors and excellent design ensure suitability for both exposed and hidden installation
9) Recyclable, environment-friendly, accords with GBM standards
Applications
> Distribution for cool and hot water;
> Duct for drinkable water system;
> Pipes for kinds of high-temperature and low-temperature heating system;
> Pipes for heating and coolling settings in solar energy system;
> Connecting pipe for air conditioners.
donsen's main products are ppr pipes and fittings,pp compression fittings,cpvc pipes and fittings,upvc pipes and fittings,the products are widely used in areas such as municipal drainage,civil watr supply,home decoration,garden irrigation and farm
Depend on high quality and high efficiency, we got the certificate ISO9001:2000 and ISO14001,WRAS certificate from england and gost certificate from russia, ul,ce and so on.
our products are exported to more than 60 countries, we warmly welcome the partners all over the world
standards
fittings and saddles
complying wih uni 9561, uni 9562, din 8076-3,iso 14236, iso 13460
threads
complying with iso7/1, din2999, bs21
flanges
complying with uni2278,din8063
Quality certifications
donsen fittings have been tested and approved by all the leading certification agencies.
Donsen quality system is UNI EN ISO 9001:2000 certified
Audited Supplier 
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